该系列绞车用于煤矿井下有瓦斯或煤尘爆炸性混合物的场所作提升或运输用。
This hoisting gear is used for hoisting or transporting at the place of coal shaft with explosive mixture of gas or coal dust.
该系列绞车用于煤矿井下有瓦斯或煤尘爆炸性混合物的场所作提升或运输用。
This hoisting gear is used for hoisting or transporting at the place of coal shaft with explosive mixture of gas or coal dust.
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